Not sure yet if it was AKs or ARs - but I would bet the magazines used were NOT LEGAL IN CALIFORNIA, being more than 10 rounds. Shows you how more restrictive gun laws solve nothing.
The part that fascinates me is aside from all the other points, it is illegal to attack/stab/hit/shoot someone already and that does not seem to stop this stuff.
So we are going to restrict the number of times you can shoot and that will stop this?
I dunno, maybe it is my lack of education but I don't get it... :)